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W97AH6KB Datasheet(PDF) 107 Page - Winbond

Part # W97AH6KB
Description  Four-bit prefetch DDR architecture
PDF  127 Pages
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W97AH6KB Datasheet(HTML) 107 Page - Winbond

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W97AH6KB / W97AH2KB
Publication Release Date: May 15, 2014
Revision: A01-001
- 107 -
8.6
Refresh Requirements
8.6.1
Refresh Requirement Parameters
Parameter
Symbol
1 Gb
Unit
Number of Banks
8
Refresh Window TCASE
≤ 85°C
tREFW
32
mS
Required number of REFRESH commands (min)
R
4,096
Average time between REFRESH commands
(for reference only) TCASE
≤ 85°C
REFab
tREFI
7.8
µS
REFpb
tREFIpb
0.975
µS
Refresh Cycle time
tRFCab
130
nS
Per Bank Refresh Cycle time
tRFCpb
60
nS
Burst Refresh Window = 4 x 8 x tRFCab
tREFBW
4.16
µS



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